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Streptococcus Pneumonia

 Streptococcus pneumoniae (pneumococcus) may be a Gram-positive bacterium that's liable for the bulk of community-acquired pneumonia. it's a commensal organism within the human tract , meaning that it benefits from the physical body , without harming it. However, infection by pneumococcus could also be dangerous, causing not only pneumonia, but also bronchitis, otitis , septicemia, and meningitis. S. pneumoniae is alpha-hemolytic, meaning that it can break down red blood cells through the assembly of peroxide (H2O2). the assembly of H2O2 by the bacterial infection also can cause damage to DNA, and kill cells within the lungs. pneumonia causes fever and chills, coughs, difficulty breathing, and pain .